Add HINT_FROM_SOONG option for ninja weight list
If this option is set, Soong generates ninja weight list including
modules in HugeModulesList in allowlists.go
Test: m --ninja_weight_source=soong
Bug: 273282046
Change-Id: Id92b7f9f9e8152c1c46ae071c5821a479cf47bce
diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index 3a4d71a..2ace746 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -24,6 +24,7 @@
"time"
"android/soong/android"
+ "android/soong/android/allowlists"
"android/soong/bazel"
"android/soong/bp2build"
"android/soong/shared"
@@ -252,6 +253,29 @@
return ret
}
+func writeNinjaHint(ctx *android.Context) error {
+ wantModules := make([]string, len(allowlists.HugeModulesMap))
+ i := 0
+ for k := range allowlists.HugeModulesMap {
+ wantModules[i] = k
+ i += 1
+ }
+ outputsMap := ctx.Context.GetOutputsFromModuleNames(wantModules)
+ var outputBuilder strings.Builder
+ for k, v := range allowlists.HugeModulesMap {
+ for _, output := range outputsMap[k] {
+ outputBuilder.WriteString(fmt.Sprintf("%s,%d\n", output, v))
+ }
+ }
+ weightListFile := filepath.Join(topDir, ctx.Config().OutDir(), ".ninja_weight_list")
+
+ err := os.WriteFile(weightListFile, []byte(outputBuilder.String()), 0644)
+ if err != nil {
+ return fmt.Errorf("could not write ninja weight list file %s", err)
+ }
+ return nil
+}
+
func writeMetrics(configuration android.Config, eventHandler *metrics.EventHandler, metricsDir string) {
if len(metricsDir) < 1 {
fmt.Fprintf(os.Stderr, "\nMissing required env var for generating soong metrics: LOG_DIR\n")
@@ -412,6 +436,9 @@
} else {
finalOutputFile = runSoongOnlyBuild(ctx, extraNinjaDeps)
}
+ if ctx.Config().IsEnvTrue("SOONG_GENERATES_NINJA_HINT") {
+ writeNinjaHint(ctx)
+ }
writeMetrics(configuration, ctx.EventHandler, metricsDir)
}
writeUsedEnvironmentFile(configuration, finalOutputFile)